﻿/********************************************************
 *  ██████╗  ██████╗████████╗██╗
 * ██╔════╝ ██╔════╝╚══██╔══╝██║
 * ██║  ███╗██║        ██║   ██║
 * ██║   ██║██║        ██║   ██║
 * ╚██████╔╝╚██████╗   ██║   ███████╗
 *  ╚═════╝  ╚═════╝   ╚═╝   ╚══════╝
 * Geophysical Computational Tools & Library (GCTL)
 *
 * Copyright (c) 2023  Yi Zhang (yizhang-geo@zju.edu.cn)
 *
 * GCTL is distributed under a dual licensing scheme. You can redistribute 
 * it and/or modify it under the terms of the GNU Lesser General Public 
 * License as published by the Free Software Foundation, either version 2 
 * of the License, or (at your option) any later version. You should have 
 * received a copy of the GNU Lesser General Public License along with this 
 * program. If not, see <http://www.gnu.org/licenses/>.
 * 
 * If the terms and conditions of the LGPL v.2. would prevent you from using 
 * the GCTL, please consider the option to obtain a commercial license for a 
 * fee. These licenses are offered by the GCTL's original author. As a rule, 
 * licenses are provided "as-is", unlimited in time for a one time fee. Please 
 * send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget 
 * to include some description of your company and the realm of its activities. 
 * Also add information on how to contact you by electronic and paper mail.
 ******************************************************/

#ifndef _GCTL_ENUM_H
#define _GCTL_ENUM_H

/**
 * This file contains enumerate types that are used across different source files. 
 * Enumerates that are used only in a signal source file are defined within the 
 * specific file.
 * 
 * 此文件仅包含在多个源文件中都使用到的枚举类型，单独类型中使用到枚举类型直接定义在相应的头文件中。
 */

namespace gctl
{
	/**
	 * @brief      测度类型
	 */
	enum norm_type_e
	{
		L0,
		L1,
		L2,
		Linf,
	};

	/**
	 * @brief      随机类型
	 */
	enum random_type_e
	{
		RdNormal, ///< 正态分布
		RdUniform, ///< 均匀分布
	};

	/**
	 * @brief      二维矩阵使用的排序方式
	 * 
	 */
	enum matrix_layout_e
	{
		NoTrans, ///< 不转置
		Trans, ///< 转置
	};

	enum conjugate_type_e
	{
		Conj, ///< 共轭
		NoConj, ///< 非共轭
	};

	/**
	 * @brief      二维矩阵储存的排序方式
	 */
	enum matrix_order_e
	{
		RowMajor, ///< 行优先，即优先储存每行的数据
		ColMajor, ///< 列优先，即优先储存每列的数据
	};

	/**
	 * @brief      数组中的数值操作类型。
	 * 
	 */
	enum value_operator_e
	{
		AppendVal, ///< 追加 相加
		RemoveVal, ///< 删除 相减
		ReplaceVal, ///< 替换
		EraseVal, ///< 删除 归零
	};

	/**
	 * @brief      网格中的数据属性类型。
	 */
	enum mesh_data_type_e
	{
		NodeData, ///< 属于顶点的数据
		ElemData, ///< 属于模型元素的数据，包括二维及三维元素
		ElemData2D, ///< 属于二维模型元素的数据
		ElemData3D, ///< 属于三维模型元素的数据
	};

	/**
	 * @brief      输出文件的写入类型
	 */
	enum output_type_e
	{
		Append, ///< 追加
		OverWrite, ///< 覆盖
	};

	/**
	 * @brief      函数返回信息的类型
	 */
	enum verbose_type_e
	{
		NoMsg, ///< 无信息
		ShortMsg, ///< 简短信息
		FullMsg, ///< 全信息
	};

	/**
	 * @brief      方向梯度的枚举类型
	 */
	enum gradient_type_e
	{
		Value, ///< 表示非梯度
		Dx, ///< x方向梯度
		Dy, ///< y方向梯度
		Dz, ///< z方向梯度
		Dphi, ///< 经度方向梯度
		Dtheta, ///< 纬度方向梯度
		Dr, ///< 半径方向梯度
	};

	/**
	 * @brief      文件流操作的方向
	 */
	enum file_direction_e
	{
		Input, ///< 输入文件
		Output ///< 输出文件
	};

	/**
	 * @brief      用于表示带有索引序号的对象数组中索引是否为从零开始。
	 * 如顶点集序号的索引，或者四面体集序号的索引。
	 */
	enum index_packed_e
	{
		Packed, ///< 索引从0开始
		NotPacked, ///< 索引从1开始
	};

	/**
	 * @brief      二维或者三维实体的类型
	 */
	enum physical_type_e
	{
		Block,
		TiltBlock,
		Sphere,
		Ellipsoid,
		Surface,
	};

	/**
	 * @brief     边的顶点排序类型
	 */
	enum edge_orient_e
    {
        Normal, // index of the edge's nodes are ordered from small to big
        Reverse, // index of the edge's nodes are ordered from big to small
    };

	/**
	 * @brief 滤波类型
	 * 
	 */
	enum filting_type_e
	{
		LowPass,
		HighPass,
		BandPass,
		BandStop,
	};

	/**
	 * @brief 滤波器类型
	 * 
	 */
	enum filter_type_e
	{
		Gaussian,
		Butterworth,
	};

	/**
	 * @brief 窗函数类型
	 * 
	 */
	enum window_type_e
	{
		None,
		Hamming,
		Hanning,
		Triangle,
		Blackman,
	};
}

#endif // _GCTL_ENUM_H